There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Which city is three-fifths chick two third cat and 50% goat?

what's the probability of getting a king or a queen from a pack of 52 cards?

Find the value of "?" in the ball picture Riddle below:

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Solve below rebus puzzle?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Can you spot the hidden girl in the picture below?